How can Central Banks implement Monetary Policy?

-The Central Bank can Manage the Money Supply via affecting the Availability of Credit and its Cost. This is done via Interest Rates or Quantitative Easing -Capital Requirements can also be Set up, affecting the amount of Loans that Banks can issue -The Exchange Rate can also be Influenced, by Selling and Buying Currencies and Changing the Interest Rate -Responsible for Issuing Banknotes and making the Confidence in the Currency is Maintained